[gtk+] range: remove unneeded gtk_widget_queue_draw()

[Cosimo Cecchi <cosimoc src gnome org>]

commit 9509bbb4a10bcd9747487cac4f2529bbd9c8f5e0
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sun Mar 6 11:08:49 2016 -0800

    range: remove unneeded gtk_widget_queue_draw()

 gtk/gtkrange.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index 04fc6fe..c85c203 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -2436,7 +2436,6 @@ update_zoom_state (GtkRange *range,
     gtk_style_context_add_class (context, "fine-tune");
   else
     gtk_style_context_remove_class (context, "fine-tune");
-  gtk_widget_queue_draw (GTK_WIDGET (range));
 
   range->priv->zoom = enabled;
 }